2026Workshop accepted
Sim2Science workshop at NeurIPS 2026 · Accepted
Audited Surrogate Gradients for Efficient Model-Based Flow Control
Ruige Kong, Stefania Fresca
Audits surrogate action gradients against high-fidelity finite differences, extracts a compact feedback law, and anchors policy optimization to that law before validating controllers in the original solver.
Journal manuscript: In preparation for submission to TMLR.
2026Submitted
Learning for Dynamics and Control Conference (L4DC)
Spatial Context or Memory? Sizing the Inputs of Neural Surrogates for Partially Observed Fields
Ruige Kong
Studies when temporal history can replace spatial context in forecasting from sparse or noisy sensors, using exact Gaussian conditioning and learned models of linear fields, Burgers flow, and the Kuramoto–Sivashinsky equation.
Submitted to L4DC.
2025Journal article
JGR: Machine Learning and Computation, 2(2)
Yihang Zhou, Ruige Kong, Zhengsen Xu, Linlin Xu, Sibo Cheng
Compares four architectures for next day wildfire segmentation. SHAP, Grad-CAM, and Integrated Gradients characterize architecture-dependent feature attribution.
Current work
Audits surrogate action gradients against high-fidelity finite differences, extracts a compact feedback law, and anchors policy optimization to that law before validating controllers in the original solver.
- Neural operators
- Model-based control
- Gradient auditing
- Direct numerical simulation
Scientific ML
Studies when temporal history can replace spatial context in forecasting from sparse or noisy sensors, using exact Gaussian conditioning and learned models of linear fields, Burgers flow, and the Kuramoto–Sivashinsky equation.
Environmental prediction
Comparison of CNN and transformer architectures under class imbalance, with global and spatial feature attribution.
Additional
Machine learning for satellite dynamics
Contributions to the FISICA project. Further details are limited due to confidentiality.
2025 to present
Graduate Research Assistant
University of Washington, SCiDaMa Group
Develop neural surrogates and reinforcement learning methods for high-dimensional flow control. Audit learned action sensitivities and validate controllers in direct numerical simulation.
2023 to 2025
Machine Learning Researcher
University of Cambridge
Studied nonlocal state inference in neural PDE surrogates from partial and spatially coarsened observations.
2023 to 2025
Deep Learning Researcher
Imperial College London, Data Science Institute
Compared CNN and transformer architectures for wildfire segmentation and analyzed feature attribution with SHAP, Grad-CAM, and Integrated Gradients.
Summer 2024
Quantitative Research Intern
J.P. Morgan, Quantitative Solutions
Built transformer research pipelines for financial-news sentiment analysis and stock-return forecasting.
Summer 2023
Deep Learning Intern
European Bioinformatics Institute, Goldman Group
Developed synthetic-data simulations and CNN and transformer models for biological sequence classification.
Education and recognition
Education
2025 to 2030PhD, Mechanical Engineering
University of Washington, AI Institute in Dynamic Systems
Scientific machine learning, fluid mechanics, reinforcement learning, and optimal control.2021 to 2025MEng and BA, Information and Computer Engineering
University of Cambridge
Machine learning, computational science, inference, control, and signal processing.Selected recognition
20241st Place
AIGC Hackbridge UK Hackathon
20232nd Place
Citadel European Datathon
2023Gold Medal
iGEM Synthetic Biology Competition
20231st Place
AIGC Hackbridge UK Hackathon
2023Top 1%
IMC Quantitative Trading Competition